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文章摘要
在混联电网环境下大型汽轮发电机组机网耦合次同步振荡特性仿真研究
Simulation study on subsynchronous oscillation character of large steam turbine generators in the hybrid transmission network environment
Received:July 06, 2015  Revised:October 25, 2015
DOI：
中文关键词: 次同步振荡  高压直流输电  时域仿真  MATLAB
英文关键词: Subsynchronous  oscillation, HVDC, time-domain  simulation, MATLAB
基金项目:国家科技支撑计划课题：燃煤电站经济安全运行关键技术研究（2011BAA040B03)
Author NameAffiliationE-mail
Zhao Qian* Key Lab of Power Transmission and Transformation of Ministry of Education,Shanghai Jiao Tong University 450324696@sjtu.edu.cn 
Qu Wenhui Key Lab of Power Transmission and Transformation of Ministry of Education,Shanghai Jiao Tong University  
Jiang Jianguo Key Lab of Power Transmission and Transformation of Ministry of Education,Shanghai Jiao Tong University  
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中文摘要:
      呼盟煤电基地电力系统中既包含交流串联补偿线路，又包含直流输电线路，次同步振荡情况复杂。本文对呼盟系统中各电厂的次同步振荡及抑制情况进行了全面的介绍，指出鄂温克电厂“持续存在的小幅次同步振荡”这一新情况。针对这一情况，对呼盟复杂互联系统进行化简建模，在MATLAB仿真平台上进行时域仿真。仿真结果与实际现场运行状况相符。仿真波形与实际录波波形的比较也验证了模型的正确性。对鄂温克电厂次同步振荡特性的分析为后续抑制措施的研究奠定了基础。
英文摘要:
      Subsynchronous oscillation situation of Hulun Buir League power system is complicated for there are series capacitor compensation lines as well as DC transmission lines. In this paper, a comprehensive introduction to power plants’ Subsynchronous oscillation and mitigation situation in Hulun Buir League power system is given. The sustained low amplitude Subsynchronous oscillation phenomenon in Ewenki Power Plant is emphasized. Aiming at the phenomenon, a simplified model of Hulun Buir League power system is proposed and the time-domain simulation based on MATLAB is carry out. Simulation results match with the practical situation, which verified the correctness of the model. This research provides basis for further study of Subsynchronous oscillation mitigation in Ewenki Power Plant .
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